Over 100,000 Allied bomber crewmen were killed over Europe. More US servicemen died in the Air Corps that the Marine Corps. In World War II, British soldiers got a ration of three sheets of toilet paper a day. Americans got 22. Only 20% of the males born in the Soviet Union in 1923 survived the war.
I think the answer would be a claim or thesis. Claim because you are saying your opinion or it is the part of the argument that you claim. Thesis because it is basically your claim by stating what it is.
Adrian Cadbury led the committee